While Trump has said he will hand off control of his real estate empire to his children, he has not said whether he will transfer ownership

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Senators Elizabeth Warren and Tom Carper are pressing the government to explain how Donald Trump's federal lease to operate a luxury hotel near the White House can go forward despite what they call the "unmanageable conflicts of interest" presented by the president becoming his own landlord — as well as a provision that bans government officials from the deal.

The two Democrats sent a letter Thursday to the General Services Administration, which in 2013 awarded a lease to the Trump organization to redevelop and run a hotel in the Old Post Office Pavilion on Pennsylvania Avenue, NBC News reported.